Chung has a career high ATP singles ranking of 632 achieved on 2 January 2017.

He also has a career high ATP doubles ranking of 624 achieved on 9 June 2014.

Chung has won one ITF Futures singles title and two ITF Futures doubles titles.

Playing for South Korea in Davis Cup, Chung has a win–loss record of 0–1.

This biographical article relating to South Korean tennis is a stub.